Samsung patents method to improve wireless signal detection
This patent describes a method for wireless devices to receive signals by splitting them into smaller frequency sections called sub-bands. The device identifies which sections contain strong, clear signals and uses those specific parts to read the initial data headers, ignoring weaker or noisier sections.
In the filing’s own words
A method of wireless communication includes dividing a signal received through an antenna into a plurality of sub-band signals, selecting candidate sub-band signals from among the plurality of sub-band signals, the candidate sub-band signals having a correlation value exceeding a first threshold value, and acquiring preamble information of a physical layer protocol data unit (PPDU) based on a subset of the candidate sub-band signals having a signal-to-noise ratio (SNR) value higher than an SNR threshold value, the SNR threshold value being obtained by subtracting a difference value from a maximum SNR value.
What exactly they claim (claim 1)
1. A method of wireless communication comprising: dividing a signal received through an antenna into a plurality of sub-band signals; selecting candidate sub-band signals from among the plurality of sub-band signals, the candidate sub-band signals having a correlation value exceeding a first threshold value; and acquiring preamble information of a physical layer protocol data unit (PPDU) based on a subset of the candidate sub-band signals having a signal-to-noise ratio (SNR) value higher than an SNR threshold value, the SNR threshold value being obtained by subtracting a difference value from a maximum SNR value, wherein the maximum SNR value is a maximum value among SNR values of the candidate sub-band signals.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- Apparatus and method of wireless communication
- Patent number
- US12764726B2
- Application number
- 18411641
- Filed
- Jan 12, 2024
- Granted
- Oct 13, 2026
- Inventors
- 3
- Claims
- 19
Classified under
H04W 72/0453 Electricity & electronicsH04W 72/542 Electricity & electronicsMore from Samsung in Networks & wireless
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.